Bronzing-machine.



No. 702,55l. Patented lune 7, |902. G. HARE.-

' BHONZING MMHIINE.v f (Applli'tig med Aug'. 27` 1901.) (No Model.)

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UNITED, STATES' PATENT OFFICE.

GEORGE HARE, OF 'LOS ANGELES, CALIFORNIA.

BRONZING-MACHINE.-

SPECIFICATION forming part of Letterslatent No. 702,551, dated June 17,1902. Application led August 2'7, 1901'. ASerial No. 73,424.V (Nomodel.)

To all whom it may concern:

' Be it known that I, GEORGE HABE, a citizenj of the United States,residing at Los Angeles, in the county of Los Angeles and State'ofCali-V fornia, have invented new and useful Improvements inBronzing-Machines, of which the following is a specication. Y

This invention relates to machines for applying ornamentalpowder or dustto printed matter, and pertains to means for securing uniformapplication of the powder to Athe lprinted sheet, improving theappearance of the work done, and-securinggreater economy of time andmaterial, and for preventing'the escape of the bronze-dust or otherpowder into the open atmosphere.

Itincludes, first, means for applying theA dust or powder to the printedmatter at the.

desired place or places with greater evenness'` with the greatestconvenience be returned to the bronze-fountain.

The accompanying drawings killustrate my invention.

Figure I is a view of a bronZing-machine embodying my improvement.Portions 'of the machine are omitted to expose the parts in whichl myinventionresides. Fig. II is a' fragmental View showing the sprayer andthe sprayer-shaftdetached.l One 4section of the4 sprayer is showncomplete and a fragment of another section is shown. Fig. ,III is asection on line III III, Fig. Il, looking right in the direction of thearrow. Fig. IV is an end elevation of the bronzing-machine. Thedirections in which certain-parts are driven relative to leach other areindicated. Fig. V is a sectional detail on line.V .V, FigIV, to shovv`the means for allowing the apron-rollerto be removed.

box.

2 indicates the ordinary plush fountainroller, which, it is to-loeunderstood, is driven in thedirection of the arrow by the usualratchet-and-cam device.

t 3 Al indicate the knives, which, with the 1 indicates the ordinarybronze fountain or l ofA the bronze fountain, receptacle, or box -1sisting in "a barrel formed in two end disks or heads 6 7, to which issecured at intervals spraying Scrapers or blades 8. 9 indicates theshaft upon which said sprayer is mounted and whichshaft is driven bysuitable means at a high speed relative to the speed of the plush'fountain-roller 2. It is to be understood that the sprayer is preferablyformed in sections, as indicatedV in Fig. Il, which are detachablymounted on the shaft 9 and held by set-screws a. Any of the sections maybe used or omittedrat pleasure, thus to determine the place or placesacross the printed sheet at which the bronze is to be applied.

The sprayer may be runat any suitable.

speed. I prefer a speed for the sprayer from three to six times as fastas the plush roller 2, so that the sprayer-blades 8 will 'overtake thepiles of the plush roller andwill scrape or brushtherefrom thebronze-powder carried by the plush and will project said powder againstthe printed sheet, (not shown,) which` passes through thebronzing-machine for that purpose.

do not limit myself toany particular con-v struction of thebronzing-machine nor to any specific construction of the parts of myinvention. l

l0 indicates the ordinary cylinder of the bronzing-machine, and l1, l2,and 13 the ordinarydusters which are common in the ordinar-ybronzing-machine vand which remove f the bronze-dust is thrown by thedusters ll, 412, and 1,3. A

17 indicates an endless apron or` belt, preferably of plush, having oneface arranged in the path of the bronze-dustwhich'is brushed fromtheprinted sheet by the dusters 11, 12,

IOO

18 indicates a dust-brush to brush the dust from the endless apron orbelt 17.

Preferably the belt 17 runs at a low speed and the dust-brush 1S at arelatively high speed.

19 indicates a removable dust-receiving receptacle in the l'orm of adrawer below the apron and dust-brush to receive the bronzedust which isbrushed from the dust-belt 17.

Itis to be understood that the fountainroller 2 is intermittently drivenat a low speed by mechanism hidden by the body of the machine in Figs. Iand IV. The machine-body is broken to show a part 2O of such mechanism.

2l indicates a higlrsgeed pulley to drive the sprayer 5, 22 a low-speedpulley to drive the dust-receiving belt 17, and 23 a high-speed wheel todrive the dustbrush 1S.

In practical use the bronzing-machine is operated in the ordinary way,the printed sheets being passed in over the table 2t and the cylinder 10and passing 'through the machine and out at the delivery 25. The slowlyand intermittently revolving fountain-roller 2 carries from thebronze-fountain 1 the requisite amount of bronze-powder, which by meansof the sprayer 5 is stripped from the piles of the plush roller andprojected onto the printed sheet (not shown) in perfectly even andsuitable distribution over the desired surface ot' the printed matter.The sheet then passes on between cylinderlO and the dusters l1, 1:2, and13 and to the felt roller 14, which delivers the sheet to the deliveryapron or plate 25. The bronze-d ust remaining on the unprinted portionsot the sheet after it has passed the sprayer 5 is brushed oi by thedusters 11, 12, and 13 and thrown over against the face of the plushbelt or apron 17, which face moves slowly toward the revolving dustbrush1S, which revolves at a sufficiently high speed to brush from the plushapron 17 the bronze-dust carried thereby, thus delivering said dust tothe dust-receiving receptacle 19, which from time to time will beremoved and its contents poured into the bronze-fountain 1, thusavoiding any inconveience or any such disturbance of the dust as mightcause the same to escape into the surrounding atmosphere. Thisarrangement avoids all necessity of stoppage of machine and pressesheretofore necessary for the purpose of clearing the machine of thesurplus bronze.

2G indicates screws bywhich the blades 8 of the sprayer are attached tothe end disks l, which carry said blades. Preferably the faces of theblades lie tangentially, as indicated in Fig. II, in order that they maybe lnost effectively brushed along the piles to remove therefrom thebronze-dust.

Suitable adjusting and releasing devices are provided by means of whichthe endless apron may be adjusted to appropriate tension and may bereleased and taken out of the way to allow access to the interior of thebronZing-machine through the rear doors 27.

For this purpose 28 indicates a bearing-plate adjustably fastened to theframe 29 ol the machine by bolts 30, which pass through slots 51 in saidbearing-plate. The frame is provided with a hole 32, through which theupper roller for the belt or apron 17 is carried. When it is desired togain access to the interior of the machine, the bearing-plate 29 will bereleased, the roller 33 will be withdrawn through the hole 32, thusallowing the endless apron to be lowered out of the way and anyaccumulations of bronzingdust which may have occurred inside the machinemay be removed. Then the roller 33 will be passed back into the machinethrough the hole and brought into appropriate position in the belt, andthe roller-shaft 34 will be inserted in an adjustable bearing on the farther side of the machine-frame, and then the bearing-plate 2f) will bebrought to the appropriate position and secured in place by the screws30.

lVhat I claim, and desire to secure by Iletters Patent of the UnitedStates, is

1. In a bronZing-machine, the combination with a plush fou ntain-roller;of a sprayer provided with blades to remove the dust from thefountain-roller and to throw it onto the surface which is to receive thesame.

2. The combination of the fountain-roller, of a spraying-roller, andmeans for rotating said spraying-roller at a speed greater than that ofthe fountain-roller.

3. In a bronzing-machine, a sprayer comprising a barrel furnished withScrapers or blades.

4. A sprayer for a bronzing-machine consisting in heads and bladesfastened to said heads to form Scrapers for removing the dust from thepiles of the fountain-roller.

5. The combination with the cylinder and duster of a bronzing-machine,of an apron having a face located in the path of the dust thrown by saiddusters; m'eans for moving the apron; and means for removing the dustfrom the apron.

G. In a bronzing-machine, a dust-receptacle; a dust-catching apronarranged in the path of the dust, and means for moving said apron todeliver the dust to the dust-recep tacle.

7. A bronzing-machine furnished with a removable dust-receivingreceptacle; a moving apron to receive the dust thrown by the dusters ofsaid machine; means for moving the apron at one speed; and a dustbrusharranged to brush the face of said apron and to deliver the dusttherefrom into said removable receptacle.

In testimony whereof I have signed my name to this specification, in thepresence of two subscribing witnesses, at Los Angeles, California, this21st day of August, 1901.

GEO. HABE.

Vitnesses:

JAMES R. TowNsEND, JULIA. TowNsEND.

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